90098493 has 8 divisors (see below), whose sum is σ = 124006656. Its totient is φ = 58128000.

The previous prime is 90098479. The next prime is 90098497. The reversal of 90098493 is 39489009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90098493 - 2⁸ = 90098237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90098497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484308 + ... + 484493.

It is an arithmetic number, because the mean of its divisors is an integer number (15500832).

Almost surely, 2^90098493 is an apocalyptic number.

90098493 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

90098493 is a deficient number, since it is larger than the sum of its proper divisors (33908163).

90098493 is a wasteful number, since it uses less digits than its factorization.

90098493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968835.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 90098493 is about 9492.0225979503. The cubic root of 90098493 is about 448.3038917233.

The spelling of 90098493 in words is "ninety million, ninety-eight thousand, four hundred ninety-three".